package thread4;

public class TestObjClear {

	public static void main(String[] args) {
		Account ac = new Account("张三", 100);
		ac = null;
		System.gc();
		try {
			Thread.sleep(4000);
		} catch (InterruptedException e) {
			// TODO 自动生成的 catch 块
			e.printStackTrace();
		}
	}

}
